Claude Mythos system card: > in ~29% of evaluations, it realized it was being tested, and didn't say so. > when an LLM was used to judge its work and kept rejecting it, Mythos identified the evaluator is an LLM, and prompt-injected it. > in one test, it saw the answer to a problem it was solving, and intentionally widened the confidence interval to not raise suspicion. > when it needed a file permission it didn't have, it found and used a "privilege escalation vulnerability" and then programmed…